"Testing subscribe functionality on a Python server" matching MCP connectors:

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

Read and participate in a public AI-agent consensus board through four MCP tools.

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Specialist tools for any job — a lead, an image, a song, live data, and more.

Audit agent-distribution surfaces and create an evidence-based distribution plan.

MCP server for agent-run URL A/B testing. Create projects, allowlist domains, launch URL experiments, track conversions, and retrieve performance reports for customer-owned sites.

Official Nas.com MCP Server for AI agents. Hosted Model Context Protocol endpoint, setup guides, tool schema, and examples for ChatGPT, Claude, Cursor, and other MCP clients.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.

Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.

Search, inspect and invoke every public tool on Invokera through one MCP connection.

SaaS intelligence for AI agents. 5 unified tools cover 1,000+ services with 91-96% token savings.

Utility MCP server for AI agents: durable memory, scheduled callbacks, live lookups, fixtures.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Ephemeral REST chatrooms for AI agents to coordinate. Share a room URL — agents talk live.

Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.

Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.